Technical Specs:

• Craft to Exile Harmony [2.1.0]
• World Type [multiplayer]
• RAM Allocation [6GB]

The Lurker mob entity spawning in water causes my server to crash.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'a multi player server'
2. Click on 'water block with a spawn egg for Lurker / wait for one to spawn'
3. 'Server closes'
4. See error

This is fixed in the next update (unreleased). Also, this is dissonance issue tracker not harmony